1; RUN: opt < %s -partial-inliner -S  | FileCheck %s
2; RUN: opt < %s -passes=partial-inliner -S  | FileCheck %s
3
4
5; Function Attrs: nounwind
6declare void @foo(...) local_unnamed_addr #0
7
8; Function Attrs: noinline
9define i32 @caller(i32 (i32)* nocapture %arg, i32 (i32)* nocapture %arg1, i32 %arg2) local_unnamed_addr #1 {
10bb:
11  %tmp = tail call i32 %arg(i32 %arg2) #0
12  %tmp3 = tail call i32 %arg1(i32 %arg2) #0
13  %tmp4 = add nsw i32 %tmp3, %tmp
14  ret i32 %tmp4
15}
16
17; Function Attrs: nounwind
18define i32 @bar(i32 %arg) #0 {
19bb:
20  %tmp = icmp slt i32 %arg, 0
21  br i1 %tmp, label %bb1, label %bb2
22
23bb1:                                              ; preds = %bb
24  tail call void (...) @foo() #0
25  tail call void (...) @foo() #0
26  tail call void (...) @foo() #0
27  tail call void (...) @foo() #0
28  tail call void (...) @foo() #0
29  tail call void (...) @foo() #0
30  tail call void (...) @foo() #0
31  tail call void (...) @foo() #0
32  tail call void (...) @foo() #0
33  br label %bb2
34
35bb2:                                              ; preds = %bb1, %bb
36  %tmp3 = phi i32 [ 0, %bb1 ], [ 1, %bb ]
37  ret i32 %tmp3
38}
39
40; Function Attrs: nounwind
41define i32 @dummy_caller(i32 %arg) local_unnamed_addr #0 {
42bb:
43; CHECK-LABEL: @dummy_caller
44; check that caller is not wrongly inlined by partial inliner
45; CHECK: call i32 @caller
46; CHECK-NOT: call .* @bar
47  %tmp = tail call i32 @caller(i32 (i32)* nonnull @bar, i32 (i32)* nonnull @bar, i32 %arg)
48  ret i32 %tmp
49}
50
51attributes #0 = { nounwind }
52attributes #1 = { noinline }
53
54!llvm.ident = !{!0}
55
56!0 = !{!"clang version 5.0.0 (trunk 300897) (llvm/trunk 300947)"}
57